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Journal Articles

Highly stable solution processed metal-halide perovskite lasers on nanoimprinted distributed feedback structures

Philipp Brenner, Mareike Stulz, Dorothee Kapp, Tobias Abzieher, Ulrich W. Paetzold, Aina Quintilla, Ian A. Howard, Heinz Kalt, Uli Lemmer
Journal: Applied Physics Letters
Appl. Phys. Lett. 109, 141106 (2016)
https://doi.org/10.1063/1.4963893
Published: October 2016
View article titled, Highly stable solution processed metal-halide perovskite lasers on nanoimprinted distributed feedback structures
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Includes: Supplementary data
Journal Articles

Illumination angle and layer thickness influence on the photo current generation in organic solar cells: A combined simulative and experimental study

Jan Mescher, Adrian Mertens, Amos Egel, Siegfried W. Kettlitz, Uli Lemmer, Alexander Colsmann
Journal: AIP Advances
AIP Advances 5, 077188 (2015)
https://doi.org/10.1063/1.4928074
Published: July 2015
View article titled, Illumination angle and layer thickness influence on the photo current generation in organic solar cells: A combined simulative and experimental study
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Journal Articles

Extracting the charge carrier mobility from the nanosecond photocurrent response of organic solar cells and photodiodes

Nico Christ, Siegfried W. Kettlitz, Jan Mescher, Uli Lemmer
Journal: Applied Physics Letters
Appl. Phys. Lett. 104, 053302 (2014)
https://doi.org/10.1063/1.4863737
Published: February 2014
View article titled, Extracting the charge carrier mobility from the nanosecond photocurrent response of organic solar cells and photodiodes
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Includes: Supplementary data
Journal Articles

Monolithic hybrid tandem solar cells comprising copper indium gallium diselenide and organic subcells

Manuel Reinhard, Paul Sonntag, Ralph Eckstein, Linda Bürkert, Andreas Bauer, Bernhard Dimmler, Uli Lemmer, Alexander Colsmann
Journal: Applied Physics Letters
Appl. Phys. Lett. 103, 143904 (2013)
https://doi.org/10.1063/1.4824017
Published: October 2013
View article titled, Monolithic hybrid tandem solar cells comprising copper indium gallium diselenide and organic subcells
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Journal Articles

Dispersive transport in the temperature dependent transient photoresponse of organic photodiodes and solar cells

Nico Christ, Siegfried Kettlitz, Jan Mescher, Sebastian Valouch, Uli Lemmer
Journal: Journal of Applied Physics
J. Appl. Phys. 113, 234503 (2013)
https://doi.org/10.1063/1.4810897
Published: June 2013
View article titled, Dispersive transport in the temperature dependent transient photoresponse of organic photodiodes and solar cells
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Journal Articles

Cadmium-free copper indium gallium diselenide hybrid solar cells comprising a 2-(4-biphenylyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole buffer layer

Manuel Reinhard, Christoph Simon, Johannes Kuhn, Linda Bürkert, Marco Cemernjak, Bernhard Dimmler, Uli Lemmer, Alexander Colsmann
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 063304 (2013)
https://doi.org/10.1063/1.4792507
Published: February 2013
View article titled, Cadmium-free copper indium gallium diselenide hybrid solar cells comprising a 2-(4-biphenylyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole buffer layer
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Journal Articles

Cross sections of operating Cu(In,Ga)Se2 thin-film solar cells under defined white light illumination analyzed by Kelvin probe force microscopy

Zhenhao Zhang, Michael Hetterich, Uli Lemmer, Michael Powalla, Hendrik Hölscher
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 023903 (2013)
https://doi.org/10.1063/1.4775679
Published: January 2013
View article titled, Cross sections of operating Cu(In,Ga)Se<sub>2</sub> thin-film solar cells under defined white light illumination analyzed by Kelvin probe force microscopy
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Journal Articles

Material-based three-dimensional imaging with nanostructured surfaces

Yousef Nazirizadeh, Julia Reverey, Ulf Geyer, Uli Lemmer, Christine Selhuber-Unkel, Martina Gerken
Journal: Applied Physics Letters
Appl. Phys. Lett. 102, 011116 (2013)
https://doi.org/10.1063/1.4773875
Published: January 2013
View article titled, Material-based three-dimensional imaging with nanostructured surfaces
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Journal Articles

Influence of the spatial photocarrier generation profile on the performance of organic solar cells

Jan Mescher, Nico Christ, Siegfried Kettlitz, Alexander Colsmann, Uli Lemmer
Journal: Applied Physics Letters
Appl. Phys. Lett. 101, 073301 (2012)
https://doi.org/10.1063/1.4745601
Published: August 2012
View article titled, Influence of the spatial photocarrier generation profile on the performance of organic solar cells
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Journal Articles

Solution processed sodium chloride interlayers for efficient electron extraction from polymer solar cells

Felix Nickel, Manuel Reinhard, Zhenhao Zhang, Andreas Pütz, Siegfried Kettlitz, Uli Lemmer, Alexander Colsmann
Journal: Applied Physics Letters
Appl. Phys. Lett. 101, 053309 (2012)
https://doi.org/10.1063/1.4742161
Published: August 2012
View article titled, Solution processed sodium chloride interlayers for efficient electron extraction from polymer solar cells
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Journal Articles

Reevaluation of the beneficial effect of Cu(In,Ga)Se2 grain boundaries using Kelvin probe force microscopy

Zhenhao Zhang, Xiaochen Tang, Oliver Kiowski, Michael Hetterich, Uli Lemmer, Michael Powalla, Hendrik Hölscher
Journal: Applied Physics Letters
Appl. Phys. Lett. 100, 203903 (2012)
https://doi.org/10.1063/1.4714905
Published: May 2012
View article titled, Reevaluation of the beneficial effect of Cu(In,Ga)Se<sub>2</sub> grain boundaries using Kelvin probe force microscopy
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Includes: Supplementary data
Journal Articles

Publisher’s Note: “Voltage-controlled tuning of an organic semiconductor distributed feedback laser using liquid crystals” [Appl. Phys. Lett. 98, 023307 (2011)]

Sönke Klinkhammer, Nico Heussner, Klaus Huska, Tobias Bocksrocker, Felix Geislhöringer, Christoph Vannahme, Timo Mappes, Uli Lemmer
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 169901 (2011)
https://doi.org/10.1063/1.3656394
Published: October 2011
View article titled, Publisher’s Note: “Voltage-controlled tuning of an organic semiconductor distributed feedback laser using liquid crystals” [Appl. Phys. Lett. 98, 023307 (2011)]
Open the PDF for Publisher’s Note: “Voltage-controlled tuning of an organic semiconductor distributed feedback laser using liquid crystals” [Appl. Phys. Lett. 98, 023307 (2011)] in another window
Journal Articles

Metallic Bragg-gratings for light management in organic light-emitting devices

Julian Hauss, Tobias Bocksrocker, Boris Riedel, Ulf Geyer, Uli Lemmer, Martina Gerken
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 103303 (2011)
https://doi.org/10.1063/1.3631728
Published: September 2011
View article titled, Metallic Bragg-gratings for light management in organic light-emitting devices
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Journal Articles

Analysis of untreated cross sections of Cu(In,Ga)Se2 thin-film solar cells with varying Ga content using Kelvin probe force microscopy

Zhenhao Zhang, Xiaochen Tang, Uli Lemmer, Wolfram Witte, Oliver Kiowski, Michael Powalla, Hendrik Hölscher
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 042111 (2011)
https://doi.org/10.1063/1.3607954
Published: July 2011
View article titled, Analysis of untreated cross sections of Cu(In,Ga)Se<sub>2</sub> thin-film solar cells with varying Ga content using Kelvin probe force microscopy
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Journal Articles

Voltage-controlled tuning of an organic semiconductor distributed feedback laser using liquid crystals

Sönke Klinkhammer, Nico Heussner, Klaus Huska, Tobias Bocksrocker, Felix Geislhöringer, Christoph Vannahme, Timo Mappes, Uli Lemmer
Journal: Applied Physics Letters
Appl. Phys. Lett. 99, 023307 (2011)
https://doi.org/10.1063/1.3610473
Published: July 2011
View article titled, Voltage-controlled tuning of an organic semiconductor distributed feedback laser using liquid crystals
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Journal Articles

Nanograting transfer for light extraction in organic light-emitting devices

Ziyao Wang, Julian Hauss, Christoph Vannahme, Uwe Bog, Sönke Klinkhammer, Dong Zhao, Martina Gerken, Timo Mappes, Uli Lemmer
Journal: Applied Physics Letters
Appl. Phys. Lett. 98, 143105 (2011)
https://doi.org/10.1063/1.3572336
Published: April 2011
View article titled, Nanograting transfer for light extraction in organic light-emitting devices
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Journal Articles

Inverted organic solar cells comprising a solution-processed cesium fluoride interlayer

Manuel Reinhard, Jonas Hanisch, Zhenhao Zhang, Erik Ahlswede, Alexander Colsmann, Uli Lemmer
Journal: Applied Physics Letters
Appl. Phys. Lett. 98, 053303 (2011)
https://doi.org/10.1063/1.3548860
Published: February 2011
View article titled, Inverted organic solar cells comprising a solution-processed cesium fluoride interlayer
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Journal Articles

Influence of temperature-dependent mobilities on the nanosecond response of organic solar cells and photodetectors

Simon Züfle, Nico Christ, Siegfried W. Kettlitz, Sebastian Valouch, Uli Lemmer
Journal: Applied Physics Letters
Appl. Phys. Lett. 97, 063306 (2010)
https://doi.org/10.1063/1.3473818
Published: August 2010
View article titled, Influence of temperature-dependent mobilities on the nanosecond response of organic solar cells and photodetectors
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Journal Articles

Low-threshold conical microcavity dye lasers

Tobias Grossmann, Simone Schleede, Mario Hauser, Mads Brøkner Christiansen, Christoph Vannahme, Carsten Eschenbaum, Sönke Klinkhammer, Torsten Beck, Jochen Fuchs, G. Ulrich Nienhaus, Uli Lemmer, Anders Kristensen, Timo Mappes, Heinz Kalt
Journal: Applied Physics Letters
Appl. Phys. Lett. 97, 063304 (2010)
https://doi.org/10.1063/1.3479532
Published: August 2010
View article titled, Low-threshold conical microcavity dye lasers
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Journal Articles

Enhancing outcoupling efficiency of indium-tin-oxide-free organic light-emitting diodes via nanostructured high index layers

Boris Riedel, Julian Hauss, Ulf Geyer, Johanna Guetlein, Uli Lemmer, Martina Gerken
Journal: Applied Physics Letters
Appl. Phys. Lett. 96, 243302 (2010)
https://doi.org/10.1063/1.3455098
Published: June 2010
View article titled, Enhancing outcoupling efficiency of indium-tin-oxide-free organic light-emitting diodes via nanostructured high index layers
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